{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57202",
    "entityType": "User",
    "nonce": "0xbada1736a77acce6d59274160a57a26581ebf4926a92c49bbba2dbaa0698dc2c",
    "signature": "0x829c0b3a4c44bd1b63ff1f40c7f469d9d963b7fe8c99f737c12c7cdb6136a66f791ef2a7a1e1995cd0c24f112503e14efd0b6af4cc4af19f2cc9b3937a2d7cf51b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}